57 lines
1.1 KiB
Go
57 lines
1.1 KiB
Go
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package main
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import (
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"flag"
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"image/color"
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)
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type colormode int
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const (
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cdefault colormode = iota
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crandom
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ctimed
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crainbow
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)
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type outputmode int
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const (
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outputpng outputmode = iota
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outputvideo
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)
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type settings struct {
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X, Y int // image size
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Dots int // dots to draw for single image
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BG color.Color // background color
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CM colormode // settings for colorFunc
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}
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func parseSettings() (string, *settings) {
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var (
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x, y int
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dots int
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cmode int
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fname string
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)
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flag.IntVar(&x, "x", 1920, "размер картинки по горизонтали")
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flag.IntVar(&y, "y", 1080, "размер картинки по вертикали")
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flag.IntVar(&dots, "d", 100000, "сколько точек рисовать")
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flag.IntVar(&cmode, "color", 0, "color mode: 0 - default green, 1 - random, 2 - timed, 3 - rainbow")
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flag.StringVar(&fname, "out", "barnsley-fern.png", "полный путь файла для записи изображения")
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flag.Parse()
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s := &settings{
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X: x,
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Y: y,
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Dots: dots,
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BG: color.White,
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CM: colormode(cmode),
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}
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return fname, s
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}
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